Tuesday 16th June, 2015
6:30pm to 7:15pm
Given a sufficiently strong type system, you can model your problem domain in such a way that invalid states become unrepresentable. This is one of the corner stones of encapsulation, but requires a lot of effort in mainstream object-oriented languages. In functional languages like F# and Haskell, on the other hand, this is possible using a purely declarative approach to types.
Once your types can guarantee that only valid states are representable, Property-Based Testing becomes a breeze.
In this talk, we'll look at using the powerful combination of F# types and properties to address an example problem.
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